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IB ESS Topic 8 questions well answered to pass
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IB ESS Topic 8 questions well answered to pass
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IB ESS Topic 8Demographics - correct answer ✔✔the study of the dynamics of population change
Exponential curve- - correct answer ✔✔when populations follow an accelerating rate of growth which is
proportional to the population size
Crude Birth Rate (CBR) - correct answer ✔✔number of births per thousand individuals in a population
per year
Crude Death Rate (CDR) - correct answer ✔✔number of deaths per thousand individuals in a population
per year
calculate CDR and CBR - correct answer ✔✔dividing the amount of deaths or births by the population,
and then multiplying it by 1000.
Natural Increase Rate (NIR) - correct answer ✔✔rate of human growth expressed as a percentage
change per year.
calculate NIR - correct answer ✔✔CDR-BDR, then divide it by 10.
Doubling Time (DT)- - correct answer ✔✔the time it take for a human population to double
Total Fertility Rate (TFR)- - correct answer ✔✔average amount of children each woman has over a
lifetime.
3 Estimates on Human Population Growth Over Time - correct answer ✔✔High Variant- assumes that
CDR will continue to fall rapidly but that the CBR will continue to fall slowly
Medium Variant- middle ground and straight forward projection of the curve
, Low Variant- assumes we will not find a cure to AIDS or any of the other big killers and that CBR will fall.
Factors That Affect Population Size - correct answer ✔✔Birth Rate
Death Rate
Immigration
Emigration
Fertility Rates- - correct answer ✔✔number of births per thousand women of childbearing age.
Fertility Rate + 2.0) - correct answer ✔✔higher pop
fertility rate -(2.0) - correct answer ✔✔lower pop
Differences between Birth Rate and Fertility - correct answer ✔✔Birth Rate expressed in percentage
forms, births per thousand of total population (male, female, child, old)
Fertility represents only women
Human Development Index (HDI)- - correct answer ✔✔measurement of "well-being" for a country.
(wealth, life expectancy, gross domestic product, education)
Factors that drive MEDC's - correct answer ✔✔North Americas, Europe, Japan, Israel,
Industrialized nations w/ high GDP
Population is relatively rich
Individuals are unlikely to starve
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